//
//  main.m
//  OCDataStructure
//
//  Created by mt-007 on 2021/4/15.
//

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        // insert code here...
        
        NSLog(@"Hello, World!");
        NSSet *se = [[NSSet alloc] init];
    }
    return 0;
}
